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extract public key from ceritificate

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This commit is contained in:
orignal 2014-12-13 15:01:08 -05:00
parent d6fe4556fb
commit b399d45d66
3 changed files with 26 additions and 19 deletions
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20
Reseed.cpp
View File

@ -375,6 +375,7 @@ namespace data
signature.SkipAll();
// issuer
std::string name;
CryptoPP::BERSequenceDecoder issuer (tbsCert);
{
CryptoPP::BERSetDecoder c (issuer); c.SkipAll();
@ -388,9 +389,7 @@ namespace data
{
CryptoPP::BERGeneralDecoder ident(attributes, CryptoPP::OBJECT_IDENTIFIER);
ident.SkipAll ();
std::string name;
CryptoPP::BERDecodeTextString (attributes, name, CryptoPP::UTF8_STRING);
LogPrint (eLogInfo, "Issuer name: ", name);
}
}
}
@ -403,6 +402,23 @@ namespace data
subject.SkipAll();
// public key
CryptoPP::BERSequenceDecoder publicKey (tbsCert);
{
CryptoPP::BERSequenceDecoder ident (publicKey);
ident.SkipAll ();
CryptoPP::BERGeneralDecoder key (publicKey, CryptoPP::BIT_STRING);
key.Skip (1); // FIXME: probably bug in crypto++
CryptoPP::BERSequenceDecoder keyPair (key);
CryptoPP::Integer n;
n.BERDecode (keyPair);
if (name.length () > 0)
{
PublicKey value;
n.Encode (value, 512);
m_SigningKeys[name] = value;
}
else
LogPrint (eLogWarning, "Unknown issuer. Skipped");
}
publicKey.SkipAll();
tbsCert.SkipAll();

9
Reseed.h
View File

@ -4,6 +4,8 @@
#include <iostream>
#include <string>
#include <vector>
#include <map>
#include "Identity.h"
namespace i2p
{
@ -12,6 +14,8 @@ namespace data
class Reseeder
{
typedef Tag<512> PublicKey;
public:
Reseeder();
@ -28,7 +32,10 @@ namespace data
int ProcessSU3Stream (std::istream& s);
bool FindZipDataDescriptor (std::istream& s);
private:
std::map<std::string, PublicKey> m_SigningKeys;
};
}
}

16
Signature.h
View File

@ -244,10 +244,6 @@ namespace crypto
m_PublicKey.Initialize (CryptoPP::Integer (signingKey, keyLen), CryptoPP::Integer (rsae));
}
RSAVerifier (const CryptoPP::RSA::PublicKey& publicKey): m_PublicKey (publicKey)
{
}
bool Verify (const uint8_t * buf, size_t len, const uint8_t * signature) const
{
typename CryptoPP::RSASS<CryptoPP::PKCS1v15, Hash>::Verifier verifier (m_PublicKey);
@ -306,10 +302,6 @@ namespace crypto
RSASHA2562048Verifier (const uint8_t * signingKey): RSAVerifier (signingKey)
{
}
RSASHA2562048Verifier (const CryptoPP::RSA::PublicKey& publicKey): RSAVerifier (publicKey)
{
}
};
class RSASHA2562048Signer: public RSASigner<CryptoPP::SHA256>
@ -331,10 +323,6 @@ namespace crypto
RSASHA3843072Verifier (const uint8_t * signingKey): RSAVerifier (signingKey)
{
}
RSASHA3843072Verifier (const CryptoPP::RSA::PublicKey& publicKey): RSAVerifier (publicKey)
{
}
};
class RSASHA3843072Signer: public RSASigner<CryptoPP::SHA384>
@ -356,10 +344,6 @@ namespace crypto
RSASHA5124096Verifier (const uint8_t * signingKey): RSAVerifier (signingKey)
{
}
RSASHA5124096Verifier (const CryptoPP::RSA::PublicKey& publicKey): RSAVerifier (publicKey)
{
}
};
class RSASHA5124096Signer: public RSASigner<CryptoPP::SHA512>